Dymac Appliances uses the periodic inventory system. Detads regarding the inventory of appliances at January 1 . purchases invoices during the next 12 months, and the inventory count at December 31 are summarized as. follows: Required: 1. Determine the cost of the inventory on December as by the fint-ia, forst-out method. If the inventory of a particular model comprises one entire purchase plus a portion of another purchase acquired at a different unit cost, use a separate line for each purchase. If units are in inventory at two different costs, enter the units FURCHASED MOST RECENTYY first